<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!-- 最新版本的 Bootstrap 核心 CSS 文件 -->
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
</head>
<body>
    <div class="container" style="margin-top: 1%">
        <div class="row">
            <div class="jumbotron" style="background-color: #63ecff">
                <div class="container" >
                    <h1>欢迎来到帅气评论区</h1>
                </div>
            </div>
        </div>
        <div class="row">

        </div>
    </div>
</body>
</html>